include/asm-ppc64/iSeries/HvCallHpt.h

   1 /*
   2  * HvCallHpt.h
   3  * Copyright (C) 2001  Mike Corrigan IBM Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  18  */
  19 #ifndef _HVCALLHPT_H
  20 #define _HVCALLHPT_H
  21
  22 /*
  23  * This file contains the "hypervisor call" interface which is used to
  24  * drive the hypervisor from the OS.
  25  */
  26
  27 #include <asm/iSeries/HvCallSc.h>
  28 #include <asm/iSeries/HvTypes.h>
  29 #include <asm/mmu.h>
  30
  31 #define HvCallHptGetHptAddress          HvCallHpt +  0
  32 #define HvCallHptGetHptPages            HvCallHpt +  1
  33 #define HvCallHptSetPp                  HvCallHpt +  5
  34 #define HvCallHptSetSwBits              HvCallHpt +  6
  35 #define HvCallHptUpdate                 HvCallHpt +  7
  36 #define HvCallHptInvalidateNoSyncICache HvCallHpt +  8
  37 #define HvCallHptGet                    HvCallHpt + 11
  38 #define HvCallHptFindNextValid          HvCallHpt + 12
  39 #define HvCallHptFindValid              HvCallHpt + 13
  40 #define HvCallHptAddValidate            HvCallHpt + 16
  41 #define HvCallHptInvalidateSetSwBitsGet HvCallHpt + 18
  42
  43
  44 static inline u64 HvCallHpt_getHptAddress(void)
  45 {
  46         return HvCall0(HvCallHptGetHptAddress);
  47 }
  48
  49 static inline u64 HvCallHpt_getHptPages(void)
  50 {
  51         return HvCall0(HvCallHptGetHptPages);
  52 }
  53
  54 static inline void HvCallHpt_setPp(u32 hpteIndex, u8 value)
  55 {
  56         HvCall2(HvCallHptSetPp, hpteIndex, value);
  57 }
  58
  59 static inline void HvCallHpt_setSwBits(u32 hpteIndex, u8 bitson, u8 bitsoff)
  60 {
  61         HvCall3(HvCallHptSetSwBits, hpteIndex, bitson, bitsoff);
  62 }
  63
  64 static inline void HvCallHpt_invalidateNoSyncICache(u32 hpteIndex)
  65 {
  66         HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
  67 }
  68
  69 static inline u64 HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson,
  70                 u8 bitsoff)
  71 {
  72         u64 compressedStatus;
  73
  74         compressedStatus = HvCall4(HvCallHptInvalidateSetSwBitsGet,
  75                         hpteIndex, bitson, bitsoff, 1);
  76         HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
  77         return compressedStatus;
  78 }
  79
  80 static inline u64 HvCallHpt_findValid(HPTE *hpte, u64 vpn)
  81 {
  82         return HvCall3Ret16(HvCallHptFindValid, hpte, vpn, 0, 0);
  83 }
  84
  85 static inline u64 HvCallHpt_findNextValid(HPTE *hpte, u32 hpteIndex,
  86                 u8 bitson, u8 bitsoff)
  87 {
  88         return HvCall3Ret16(HvCallHptFindNextValid, hpte, hpteIndex,
  89                         bitson, bitsoff);
  90 }
  91
  92 static inline void HvCallHpt_get(HPTE *hpte, u32 hpteIndex)
  93 {
  94         HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0);
  95 }
  96
  97 static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit, HPTE *hpte)
  98 {
  99         HvCall4(HvCallHptAddValidate, hpteIndex, hBit, (*((u64 *)hpte)),
 100                         (*(((u64 *)hpte)+1)));
 101 }
 102
 103 #endif /* _HVCALLHPT_H */